> > Hmmm... That gets into issues of knowing how many pages are in use by an
> > application and that is fundamentally difficult to do due to pages being
> > shared between processes.
>
> Fundamentally difficult or not, it seems to be required for what Nick
> describes, and for sure cpusets doesn't do it (track memory usage per
> container.)
We have the memory usage on a node. So in that sense we track memory
usage. We also have VM counters for that node or nodes that describe
resource usage.